The results by incremental analysis showed that the cost per 1 unit effectiveness increased of combination of tcm and western medicine than western medicine therapy only needed 94 . 01 yuan 中西醫(yī)結(jié)合治療組與西醫(yī)治療組相比,只需追加較少的費用( 94 . 01元)就可獲得額外的一個單位效果。